– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Tue 10 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Tue 10 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 10 Mar Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryModerate rain (total 16mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu afternoon. Freeze-thaw conditions (max 6°C on Wed night, min -1°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryA light covering of new snow mostly falling on Sun afternoon will be washed away by heavy rain (total 39mm) on Sun afternoon. Freeze-thaw conditions (max 6°C on Sun night, min -4°C on Fri night). Wind will be generally light. | ||||||||||||||||
Tue 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  | |  |  |  | | |  |  | |  | |
light snow | mod. snow | light snow | mod. rain | light snow | light snow | mod. snow | mod. snow | snow shwrs | some clouds | snow shwrs | some clouds | some clouds | cloudy | cloudy | light snow | heavy rain | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
1 | 6 | 2 | — | 1 | 1 | 8 | 7 | 1 | — | 3 | — | — | — | — | 3 | — | |
— | — | 2 | 6 | 8 | — | — | — | — | — | — | — | — | — | — | 10 | 14 | |
max °C | 1 | 1 | 2 | 4 | 6 | 1 | 1 | 0 | 1 | 1 | -1 | -1 | 0 | -2 | 1 | 2 | 6 |
min °C | 0 | 0 | 1 | 2 | 0 | 0 | 0 | -1 | -1 | 0 | -4 | -4 | 0 | -3 | -1 | 2 | 3 |
-4 | -3 | -1 | -2 | -5 | -4 | -3 | -1 | -1 | -2 | -4 | -4 | -2 | -3 | -3 | 0 | 0 | |
550 | 550 | 800 | 1450 | 650 | 550 | 500 | 400 | 600 | 550 | 200 | 400 | 550 | 0 | 650 | 950 | 1950 | |
Cloud base (m) | 850 | 600 | 600 | 550 | 600 | 600 | 600 | 600 | 600 | 600 | 600 | 800 | 850 | 800 | 1550 | 600 | 600 |
 | — | — | 7:30 | — | — | 7:28 | — | — | 7:26 | — | — | 7:22 | — | — | 7:20 | — | — |
 | 7:05 | — | — | 7:06 | — | — | 7:07 | — | — | 7:08 | — | — | 7:10 | — | — | 7:12 | — |
Loading...
South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 16mm) on Wed night. Becoming colder with heavy fall of snow, heaviest during Thu afternoon. Freeze-thaw conditions (max 6°C on Wed night, min -1°C on Thu night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A light covering of new snow mostly falling on Sun afternoon will be washed away by heavy rain (total 39mm) on Sun afternoon. Freeze-thaw conditions (max 6°C on Sun night, min -4°C on Fri night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.